/Engine/Source/Editor/BlueprintGraph/Classes/K2Node.h
Helper structure to cache old data for optional pins so the data can be restored during reconstruction
struct FOldOptionalPinSettings
uint8: 1
bIsOldOverrideEnabled
TRUE if the optional pin's override value was previously enabled
uint8: 1
bIsOldOverridePinVisible
TRUE if the optional pin's override value was previously editable
uint8: 1
bIsOldSetValuePinVisible
TRUE if the optional pin's value was previously editable
uint8: 1
bOldVisibility
TRUE if optional pin was previously visible